:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: rgba(10, 10, 10, 0.22);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --gate-bg: rgba(255, 255, 255, 0.92);
  --ring: rgba(10, 10, 10, 0.18);
  --ease-smooth: cubic-bezier(0.2, 0.9, 0.2, 1);
}

@media (hover: none) {
  .cursor {
    display: none;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #ffffff;
    --muted: rgba(255, 255, 255, 0.22);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --gate-bg: rgba(10, 10, 10, 0.92);
    --ring: rgba(255, 255, 255, 0.18);
    --ease-smooth: cubic-bezier(0.2, 0.9, 0.2, 1);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1200px 600px at 50% 30%, rgba(0, 0, 0, 0.06), transparent 60%),
    radial-gradient(900px 500px at 20% 80%, rgba(0, 0, 0, 0.04), transparent 62%),
    radial-gradient(900px 500px at 85% 80%, rgba(0, 0, 0, 0.03), transparent 62%),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.015),
      rgba(0, 0, 0, 0.015) 1px,
      transparent 1px,
      transparent 4px
    );
  opacity: 0.55;
}

@media (prefers-color-scheme: dark) {
  body::before {
    background:
      radial-gradient(1200px 600px at 50% 30%, rgba(255, 255, 255, 0.08), transparent 60%),
      radial-gradient(900px 500px at 20% 80%, rgba(255, 255, 255, 0.05), transparent 62%),
      radial-gradient(900px 500px at 85% 80%, rgba(255, 255, 255, 0.04), transparent 62%),
      repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.02),
        rgba(255, 255, 255, 0.02) 1px,
        transparent 1px,
        transparent 4px
      );
    opacity: 0.35;
  }
}

@media (hover: hover) {
  body {
    cursor: none;
  }

  a,
  [role="button"] {
    cursor: none;
  }
}

.cursor {
  position: fixed;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 420ms var(--ease-smooth);
  mix-blend-mode: difference;
}

body.entered .cursor {
  opacity: 1;
}

.cursor-dot {
  position: fixed;
  left: 0;
  top: 0;
  transform: translate3d(-100px, -100px, 0);
}

.cursor-dot {
  width: 4px;
  height: 4px;
  margin-left: -2px;
  margin-top: -2px;
  border-radius: 999px;
  background: #ffffff;
  filter: blur(0);
}

.cursor--hover .cursor-dot {
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  margin-top: -2.5px;
}

.wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.gate {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--gate-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 780ms var(--ease-smooth), transform 780ms var(--ease-smooth);
  z-index: 10;
}

.gate-prompt {
  color: var(--fg);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  opacity: 0.8;
  cursor: pointer;
  user-select: none;
  transform: translateY(0);
  transition:
    transform 520ms var(--ease-smooth),
    opacity 520ms var(--ease-smooth),
    text-shadow 520ms var(--ease-smooth);
  animation: gate-float 2600ms var(--ease-smooth) 400ms infinite;
}

.gate-prompt:hover {
  opacity: 1;
  transform: translateY(-2px);
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.gate-prompt:active {
  transform: translateY(-1px);
}

.gate-prompt:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 6px;
  border-radius: 8px;
}

@keyframes gate-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

.gate--leaving {
  opacity: 0;
  transform: scale(1.02);
}

.wrap {
  opacity: 0;
  transition: opacity 700ms var(--ease-smooth);
}

body.entered .wrap {
  opacity: 1;
}

.avatar {
  width: 112px;
  height: 112px;
  border-radius: 14px;
  object-fit: cover;
  display: block;
  margin-bottom: 18px;
  border: none;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.14);

  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 900ms var(--ease-smooth), transform 900ms var(--ease-smooth);
}

body.entered .avatar {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.title {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 850;
  font-size: clamp(48px, 9vw, 120px);
  line-height: 0.95;
  text-rendering: geometricPrecision;

  opacity: 0;
  transform: translateY(18px) scale(0.985);
  filter: blur(10px);
  animation: enter-title 1400ms var(--ease-smooth) 120ms both;
  animation-play-state: paused;
  will-change: transform, opacity, filter;
}

.underline {
  width: min(360px, 70vw);
  height: 2px;
  margin-top: 18px;
  background: linear-gradient(90deg, transparent, var(--muted), transparent);

  opacity: 0;
  transform: translateY(14px) scaleX(0.85);
  filter: blur(6px);
  animation: enter-underline 1400ms var(--ease-smooth) 260ms both;
  animation-play-state: paused;
  will-change: transform, opacity, filter;
}

body.entered .title,
body.entered .underline {
  animation-play-state: running;
}

.links {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.78;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: opacity 420ms var(--ease-smooth);
}

.link {
  color: inherit;
  text-decoration: none;
  position: relative;
  transition: opacity 420ms var(--ease-smooth), transform 420ms var(--ease-smooth);
}

.link:hover {
  body::before {
    display: none;
  }

  opacity: 1;
  transform: translateY(-1px);
}

.link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: center;
  transition: opacity 420ms var(--ease-smooth), transform 420ms var(--ease-smooth);
}

.link:hover::after {
  opacity: 0.55;
  transform: scaleX(1);
}

.link:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 4px;
  border-radius: 6px;
}

.sep {
  opacity: 0.55;
}

@keyframes enter-title {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes enter-underline {
  to {
    opacity: 1;
    transform: translateY(0) scaleX(1);
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .title,
  .underline {
    animation: none;
    opacity: 1;
    transform: none;
    filter: none;
  }

  body::before {
    display: none;
  }

  .avatar {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .cursor {
    display: none;
  }

  .gate-prompt {
    animation: none;
  }

  .gate {
    transition: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .wrap {
    transition: none;
    opacity: 1;
  }
}